Out Of This World What Is Non Standard Port
This is done in part for security reasons.
What is non standard port. While TCP port 22 is the general correct answer and is considered the default SFTP port number it depends on how SSH is configured to use a SFTP standard port rather than an alternative port. Section 14 Using Non-Standard Ports. 31 rows Non-Standard Port.
Since SFTP acts as an SSH subsystem it runs on any port that listens for the SSH daemon and is configured by the administrator. It is easy to connect to a non-default port using SSH and SCP. This port is not endorsed by the IETF nor IANA.
A Standard port is a port whose tidal predictions are directly given in the Tide tables. A common alternate SMTP port. It is possible to change the port used by the terminal server or PC which is accessed see this Microsoft support article.
Instead Mailgun provides it as an alternate port which mirrors port 587 in the event the above ports are blocked. Out of the box SSH uses port 22. Port 22 which I have seen some people describe why is there this difference in a standard for the non-negotiated port.
113 rows Appendix C. FTP is normally configured to listen on port 21 HTTP on port 80 and SFTP on port 22 - there are really no hard and fast rules that prohibit the use of other non-reserved port numbers. Port 2525 is not an official SMTP port and it is not sanctioned by the IETF nor IANA.
Show activity on this post. For example to specify an alternate port use. For full details of the options listed below and their possible values see ssh_config5.